Trifluoroacetic acid → rac-(2S,3R,4R,5S)-4-(4-chloro-2-methoxy-phenyl)-3-(3-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid trifluoroacetic acid

HRID 1806803Notes

Reaction equation

HRID 1806803 reaction equation
C([O:5][C:6]([CH:8]1[CH:12]([C:13]2[CH:18]=[CH:17][CH:16]=[C:15]([Cl:19])[C:14]=2F)[C:11]([C:23]2[CH:28]=[CH:27][C:26]([Cl:29])=[CH:25][C:24]=2[O:30][CH3:31])([C:21]#[N:22])[CH:10]([CH2:32][C:33]([CH3:36])([CH3:35])[CH3:34])[NH:9]1)=[O:7])(C)(C)C.[F:37][C:38]([F:43])([F:42])[C:39]([OH:41])=[O:40]>ClCCl>[F:37][C:38]([F:43])([F:42])[C:39]([OH:41])=[O:40].[Cl:29][C:26]1[CH:27]=[CH:28][C:23]([C:11]2([C:21]#[N:22])[CH:10]([CH2:32][C:33]([CH3:36])([CH3:35])[CH3:34])[NH:9][CH:8]([C:6]([OH:7])=[O:5])[CH:12]2[C:13]2[CH:18]=[CH:17][CH:16]=[C:15]([Cl:19])[CH:14]=2)=[C:24]([O:30][CH3:31])[CH:25]=1

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 67297107rac-(2S,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-2-methoxy-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid tert-butyl ester

Product 1

HCID 67296949rac-(2S,3R,4R,5S)-4-(4-chloro-2-methoxy-phenyl)-3-(3-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid trifluoroacetic acidYield 98%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

In a manner similar to the method described in Example 25a, rac-(2S,3R,4R,5S)-4-(4-chloro-2-methoxy-phenyl)-3-(3-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid tert-butyl ester prepared in Example 61b (2 g, 3.9 mmol) was reacted with trifluoroacetic acid in dichloromethane at room temperature to give rac-(2S,3R,4R,5S)-4-(4-chloro-2-methoxy-phenyl)-3-(3-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid trifluoroacetic acid as a white solid (2.2 g, 98%).

Sources & evidence

ORD record
ord-51a8392d45b74705b535913352165c7e
Source dataset
uspto-grants-2013_01
Patent number
US08354444B2

Reaction notes

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